package com.ctbri.io;

import java.io.Externalizable;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;

public class Blip3 implements Externalizable{

	private int i;
	private String s;
	
	public Blip3() {
		System.out.println("Blip3 Constructor");
	}
	
	public Blip3(String x, int a) {
		System.out.println("Blip3(String x, int a)");
		s = x;
		i = a;
	}
	
	public String toString() {
		return s+i;
	}
	
	@Override
	public void writeExternal(ObjectOutput out) throws IOException {
		System.out.println("Blip3.writeExternal");
		out.writeObject(s);
		out.writeInt(i);
	}
	
	@Override
	public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException{
		System.out.println("Blip3.readExternal");
		s = (String)in.readObject();
		i = in.readInt();
	}
	
 	public static void main(String[] args) throws Exception{
 		System.out.println("Constructing objects:");
 		Blip3 b3 = new Blip3("A String", 47);
 		System.out.println(b3);
 		ObjectOutputStream o = new ObjectOutputStream(new FileOutputStream("Blip3.out"));
 		System.out.println("Saving object:");
 		o.writeObject(b3);
 		o.close();
 		
 		ObjectInputStream in = new ObjectInputStream(new FileInputStream("Blip3.out"));
 		System.out.println("Recovering b3:");
 		b3 = (Blip3)in.readObject();
 		System.out.println(b3);
	}

}
